Was the Midcontinent Rift part of a successful seafloor-spreading episode?

Keyphrases

• Seafloor Spreading 100%
• Midcontinent Rift 100%
• Rifting 50%
• Laurentia 50%
• Amazonia 50%
• Cusp 33%
• Apparent Polar Wander Path 33%
• South America 16%
• Rift 16%
• Volcanism 16%
• Failed Rift 16%
• Magnetic Anomaly 16%
• North American Craton 16%
• Gravity Anomaly 16%
• Buried Features 16%
• Southern Appalachians 16%
• Volcanic Rocks 16%
• Rifting Event 16%
• Large Igneous Provinces 16%
• Rift Volcanism 16%

Earth and Planetary Sciences

• Rifting 100%
• Sea Floor Spreading 100%
• Continent 75%
• Volcanism 50%
• Apparent Polar Wander Path 50%
• Alabama 50%
• Craton 25%
• Precambrian 25%
• Large Igneous Province 25%
• Volcanic Rock 25%
• South America 25%
• Magnetic Anomalies 25%